1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4  * Module Name: evhandler - Support for Address Space handlers
6  * Copyright (C) 2000 - 2022, Intel Corp.
22 			u32 level, void *context, void **return_value);
69 	 * available -- even though we are nowhere near ready to find the PCI root  in acpi_ev_install_region_handlers()
107  * PARAMETERS:  node                - Namespace node for the device
108  *              space_id            - The address space ID
128 		handler_obj = obj_desc->common_notify.handler;  in acpi_ev_has_default_handler()
133 			if (handler_obj->address_space.space_id == space_id) {  in acpi_ev_has_default_handler()
134 				if (handler_obj->address_space.handler_flags &  in acpi_ev_has_default_handler()
140 			handler_obj = handler_obj->address_space.next;  in acpi_ev_has_default_handler()
159  *              This is because the existing handler is closer in proximity
166 			u32 level, void *context, void **return_value)  in acpi_ev_install_handler()  argument
195 	if ((node->type != ACPI_TYPE_DEVICE) &&  in acpi_ev_install_handler()
196 	    (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {  in acpi_ev_install_handler()
212 	if (obj_desc->common.type == ACPI_TYPE_DEVICE) {  in acpi_ev_install_handler()
217 		    acpi_ev_find_region_handler(handler_obj->address_space.  in acpi_ev_install_handler()
219 						obj_desc->common_notify.  in acpi_ev_install_handler()
227 					  acpi_ut_get_region_name(handler_obj->  in acpi_ev_install_handler()
252 	if (obj_desc->region.space_id != handler_obj->address_space.space_id) {  in acpi_ev_install_handler()
276  * PARAMETERS:  space_id        - The address space ID
277  *              handler_obj     - Head of the handler object list
298 		if (handler_obj->address_space.space_id == space_id) {  in acpi_ev_find_region_handler()
304 		handler_obj = handler_obj->address_space.next;  in acpi_ev_find_region_handler()
314  * PARAMETERS:  node            - Namespace node for the device
315  *              space_id        - The address space ID
316  *              handler         - Address of the handler
317  *              setup           - Address of the setup function
318  *              context         - Value passed to the handler on each access
345 	if ((node->type != ACPI_TYPE_DEVICE) &&  in acpi_ev_install_space_handler()
346 	    (node->type != ACPI_TYPE_PROCESSOR) &&  in acpi_ev_install_space_handler()
347 	    (node->type != ACPI_TYPE_THERMAL) && (node != acpi_gbl_root_node)) {  in acpi_ev_install_space_handler()
414 							  obj_desc->  in acpi_ev_install_space_handler()
419 			if (handler_obj->address_space.handler == handler) {  in acpi_ev_install_space_handler()
442 		if (node->type == ACPI_TYPE_ANY) {  in acpi_ev_install_space_handler()
445 			type = node->type;  in acpi_ev_install_space_handler()
456 		obj_desc->common.type = (u8)type;  in acpi_ev_install_space_handler()
493 	    acpi_os_create_mutex(&handler_obj->address_space.context_mutex);  in acpi_ev_install_space_handler()
499 	handler_obj->address_space.space_id = (u8)space_id;  in acpi_ev_install_space_handler()
500 	handler_obj->address_space.handler_flags = flags;  in acpi_ev_install_space_handler()
501 	handler_obj->address_space.region_list = NULL;  in acpi_ev_install_space_handler()
502 	handler_obj->address_space.node = node;  in acpi_ev_install_space_handler()
503 	handler_obj->address_space.handler = handler;  in acpi_ev_install_space_handler()
504 	handler_obj->address_space.context = context;  in acpi_ev_install_space_handler()
505 	handler_obj->address_space.setup = setup;  in acpi_ev_install_space_handler()
509 	handler_obj->address_space.next = obj_desc->common_notify.handler;  in acpi_ev_install_space_handler()
515 	obj_desc->common_notify.handler = handler_obj;  in acpi_ev_install_space_handler()